40384077 has 4 divisors (see below), whose sum is σ = 53845440. Its totient is φ = 26922716.

The previous prime is 40384051. The next prime is 40384079. The reversal of 40384077 is 77048304.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40384077 - 2¹¹ = 40382029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40384079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6730677 + ... + 6730682.

It is an arithmetic number, because the mean of its divisors is an integer number (13461360).

Almost surely, 2^40384077 is an apocalyptic number.

It is an amenable number.

40384077 is a deficient number, since it is larger than the sum of its proper divisors (13461363).

40384077 is a wasteful number, since it uses less digits than its factorization.

40384077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13461362.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 40384077 is about 6354.8467330062. The cubic root of 40384077 is about 343.0863085227.

The spelling of 40384077 in words is "forty million, three hundred eighty-four thousand, seventy-seven".